Liberty 100 Smart Electricity Meter Technical Reference Manual
UTRN Entry in Prepayment Mode
Or
Or
Or
Or
(timeout 4 secs)
Or
(timeout 20 secs)
‘Invalid’ indicates UTRN is rejected because the UTRN
is not meant for the meter.
‘Incorrect’ indicates UTRN is rejected because it is a
wrong UTRN.
‘Incomplete’ indicates UTRN is rejected because it is
not in multiples of 20-digit.
‘Account High’ indicates UTRN is rejected because the
vend amount exceeds the maximum credit the meter
can hold.
‘Account Low’ indicates UTRN is rejected because the
vend amount is not sufficient to run the meter.
The display ‘Key Locked’ indicates that the user has
entered five (5) consecutive invalid UTRN and this
locks key ‘A’ for the configured timeout period.
The displays followed by refund UTRN:
Followed by
Followed by
The display ‘Accepted’ indicates that the refund UTRN
is valid. This is followed by the refund UTRN.